An effective two-flavor approximation for neutrino survival probabilities in matter

@article{Minakata2017AnET,
  title={An effective two-flavor approximation for neutrino survival probabilities in matter},
  author={Hisakazu Minakata},
  journal={Journal of High Energy Physics},
  year={2017},
  volume={2017},
  pages={1-26}
}
  • Hisakazu Minakata
  • Published 2017
  • Physics
  • A bstractIt is known in vacuum that the three-flavor neutrino survival probability can be approximated by the effective two-flavor form to first orders in ϵ≡Δm212/Δm312, with introduction of the effective Δmαα2(α = e, μ, τ), in regions of neutrino energy E and baseline L such that Δm312L/2E ∼ π. Here, we investigate the question of whether the similar effective two-flavor approximation can be formulated for the survival probability in matter. Using a perturbative framework with the expansion… CONTINUE READING

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